[bbk5125] 第45集 - 第五章 管理内存 00

Objectives

After completing this lesson,you should be able to :

  • Describe the memory components in the SGA
  • Implement Automatic Memory Management
  • Manually configure SGA parameters
  • Configure automatic PGA memory management

Memory Management:Overview

DBAs must consider memory managment to be a crucial part of their job,because:

There is a finite amount of memory available

Allocating more memory to serve certain types of functions can improve overall  performance

Automatically tuned memroy allocation is often the appropriate configuraion,but specific environments or even short-term conditions may require further attention

Reviewing Oracle Database Memory Structures

posted @ 2013-05-27 15:42  ArcerZhang  阅读(132)  评论(0)  编辑  收藏  举报